SELECTRA-SIL® Bottles

SELECTRA-SIL® is an extensive line of derivatizing reagents manufactured by UCT at its facility in Bristol, PA. Our reagents are designed to increase molecular weight, lower boiling points, and create a more specific ion for compounds intended for gas chromatography and GC/MS.


Benefits of Derivatization:



  • Improved chromatographic resolution - increased volatility - reduced intermolecular hydrogen bonding - separation of structurally similar compounds. 

  • Improved mass spectral characteristics - higher mass fragments - greater signal to noise ratio - more unique masses- increased abundance/sensitivity of molecular ions. 

  • Improved thermal stability of some compounds - reduced thermal degradation - higher temperature to speed analysis. 

  • Increased instrument and lab productivity - fewer reinjections or repeats due to peak tailing - high confidence in analyte identification and quantitation - easy to perform - inert by-products of derivatization will not degrade capillary column performance.

For international sample requests, contact your International Distributor.

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Part Number Description Size Units Price Qty
SBSTFA-0-1

Selectrasil-sil BSTFA

O-bis(trimethylsilytrifluoroacetamide)

10 x 1 gm vial

1 g 10
$56.00
SBSTFA-0-10

Selectra-sil BSTFA

O-bis(trimethylsilytrifluoroacetamide)

10 gm vial

10 g 1
$41.00
SBSTFA-0-25

Selectra-sil BSTFA

O-bis(trimethylsilytrifluoroacetamide)

25 gm vial

25 g 1
$59.00
SBSTFA-0-100

Selectra-sil BSTFA

O-bis(trimethylsilytrifluoroacetamide)

100 gm bottle

100 g 1
$135.00
SBSTFA-1-1

Selectra-sil BSTFA w/1% TMCS

O-bis(trimethylsilytrifluoroacetamide) w/ 1% Trimethylchlorosilane

10 x 1 gm vial

1 g 10
$56.00
SBSTFA-1-10

Selectra-sil BSTFA w/1% TMCS

O-bis(trimethylsilytrifluoroacetamide) w/ 1% Trimethylchlorosilane

10 gm vial

10 g 1
$41.00
SBSTFA-1-25

Selectra-sil BSTFA w/1% TMCS

O-bis(trimethylsilytrifluoroacetamide) w/ 1% Trimethylchlorosilane

25 gm vial

25 g 1
$59.00
SBSTFA-1-100

Selectra-sil BSTFA w/1% TMCS

O-bis(trimethylsilytrifluoroacetamide) w/ 1% Trimethylchlorosilane

100 gm bottle

100 g 1
$135.00
SBSTFA-10-1

Selectra-sil BSTFA w/10% TMCS

O-bis(trimethylsilytrifluoroacetamide) w/ 10% Trimethylchlorosilane

10 x 1 gm vial

1 g 10
$76.00
SBSTFA-10-10

Selectra-sil BSTFA w/10% TMCS

O-bis(trimethylsilytrifluoroacetamide) w/ 10% Trimethylchlorosilane

10 gm vial

10 g 1
$41.00
SBSTFA-10-25

Selectra-sil BSTFA w/10% TMCS

O-bis(trimethylsilytrifluoroacetamide) w/ 10% Trimethylchlorosilane

25 gm vial

25 g 1
$76.00
SBSTFA-10-100

Selectra-sil BSTFA w/10% TMCS

O-bis(trimethylsilytrifluoroacetamide) w/ 10% Trimethylchlorosilane

100 gm bottle

100 g 1
$135.00
SMSTFA-0-1

Selectra-sil MSTFA

N-methyl-N-(t-butyldimethylsilyl)-trifluoroacetamide

10 x 1 gm vial

1 g 10
$75.00
SMSTFA-0-10

Selectra-sil MSTFA

N-methyl-N-(t-butyldimethylsilyl)-trifluoroacetamide

​10 gm vial

10 g 1
$49.00
SMSTFA-0-25

Selectra-sil MSTFA

N-methyl-N-(t-butyldimethylsilyl)-trifluoroacetamide

​25 gm vial

25 g 1
$82.00
SMSTFA-0-100

Selectra-sil MSTFA

N-methyl-N-(t-butyldimethylsilyl)-trifluoroacetamide

​100 gm bottle

100 g 1
$200.00
SMSTFA-1-1

Selectra-sil MSTFA w/1% TMCS

N-Methyl-N-trimethylsilytrifluoroacetamide - w/1%nbsp; Trimethylchlorosilane

10 x 1 gm vial

1 g 10
$75.00
SMSTFA-1-10

Selectra-sil MSTFA w/1% TMCS

N-Methyl-N-trimethylsilytrifluoroacetamide - w/1%nbsp; Trimethylchlorosilane

​10 gm vial

10 g 1
$49.00
SMSTFA-1-25

Selectra-sil MSTFA w/ 1% TMCS

N-Methyl-N-trimethylsilytrifluoroacetamide w/1%  Trimethylchlorosilane

25 gm vial

25 g 1
$82.00
SMSTFA-1-100

Selectra-sil MSTFA w/1% TMCS

N-Methyl-N-trimethylsilytrifluoroacetamide - w/1%nbsp; Trimethylchlorosilane

​100 gm bottle

100 g 1
$200.00
SMTBSTFA-0-1

Selectra-sil MTBSTFA

N-Methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide

10 x 1 gm vial

1 g 10
$80.00
SMTBSTFA-0-10

Selectra-sil MTBSTFA

N-Methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide

10 gm vial

10 g 1
$70.00
SMTBSTFA-0-25

Selectra-sil MTBSTFA 

N-methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide

25 gm vial

25 g 1
$125.00
SMTBSTFA-0-100

Selectra-sil MTBSTFA

N-Methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide

100 gm bottle

100 g 1
$278.00
SMTBSTFA-1-1

Selectra-sil MTBSTFA w/ 1% TBDMCS

N-methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide w/ 1%  tert-butyldimethylchlorosilane

10 x 1 gm vial

1 g 10
$82.00
SMTBSTFA-1-10

Selectra-sil MTBSTFA w/ 1% TBDMCS

N-methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide w/ 1%  tert-butyldimethylchlorosilane

10 gm vial

10 g 1
$74.00
SMTBSTFA-1-25

Selectra-sil MTBSTFA w/ 1% TBDMCS

N-methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide w/ 1%  tert-butyldimethylchlorosilane

25 gm vial

25 g 1
$125.00
SMTBSTFA-1-100

Selectra-sil MTBSTFA w/ 1% TBDMCS

N-methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide w/ 1%  tert-butyldimethylchlorosilane

100 gm bottle

100 g 1
$302.00
SMTBSTFA-10-1

Selectra-sil MTBSTFA w/ 10% TBDMCS

N-methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide w/10%  tert-butyldimethylchlorosilane

10 x 1 gm vial

1 g 10
$84.00
SMTBSTFA-10-10

Selectra-sil MTBSTFA w/ 10% TBDMCS

N-methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide w/10%  tert-butyldimethylchlorosilane

10 gm vial

10 g 1
$75.00
SMTBSTFA-10-25

Selectra-sil MTBSTFA w/ 10% TBDMCS

N-methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide w/10%  tert-butyldimethylchlorosilane

25 gm vial

25 g 1
$100.00
SMTBSTFA-10-100

Selectra-sil MTBSTFA w/ 10% TBDMCS

N-methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide w/10%  tert-butyldimethylchlorosilane

100 gm bottle

100 g 1
$245.00
STMCS-0-1

Selectra-sil TMCS

Trimethylchlorosilane

10 x 1 gm vial

1 g 10
$50.00
STMCS-0-10

Selectra-sil TMCS

Trimethylchlorosilane

​10 gm vial

10 g 1
$25.00
STMCS-0-25

Selectra-sil TMCS

Trimethylchlorosilane

25 gm vial

25 g 1
$31.00
STMCS-0-100

Selectra-sil TMCS

Trimethylchlorosilane

100 gm bottle

100 g 1
$41.00
SMBTFA-0-1

Selectra-sil MBTFA

N-methyl-bis-trifluoroacetamide/p>

10 x 1 gm vial

1 g 10
$91.00
SMBTFA-0-10

Selectra-sil MBTFA

N-methyl-bis-trifluoroacetamide/p>

10 gm vial

10 g 1
$85.00
SMBTFA-0-25

Selectra-sil MBTFA

N-methyl-bis-trifluoroacetamide/p>

25 gm vial

25 g 1
$112.00
SMBTFA-0-100

Selectra-sil MBTFA

N-methyl-bis-trifluoroacetamide/p>

100 gm bottle

100 g 1
$361.00
STFAA-0-1

Selectra-sil TFAA

Trifluoroacetic acid anhydride

10 x 1 gm vial

1 g 10
$75.00
STFAA-0-10

Selectra-sil TFAA

Trifluoroacetic acid anhydride

10 gm vial

10 g 1
$70.00
STFAA-0-25

Selectra-sil TFAA

Trifluoroacetic acid anhydride

25 gm vial

25 g 1
$60.00
STFAA-0-100

Selectra-sil TFAA

Trifluoroacetic acid anhydride

100 gm bottle

100 g 1
$100.00
SPFAA-0-1

Selectra-sil PFAA

Pentafluoropropionic acid anhydride

10 x 1 gm vial

1 g 10
$88.00
SPFAA-0-10

Selectra-sil PFAA

Pentafluoropropionic acid anhydride

10 gm vial

10 g 1
$61.00
SPFAA-0-25

Selectra-sil PFAA

Pentafluoropropionic acid anhydride

25 gm vial

25 g 1
$95.00
SPFAA-0-100

Selectra-sil PFAA

Pentafluoropropionic acid anhydride

100 gm g bottle

100 g 1
$260.00
SHFAA-0-1

Selectra-sil - HFAA

​Heptafluorobutyric acid anhydride

10 x 1 gm vial

1 g 10
$80.00
SHFAA-0-10

Selectra-sil - HFAA

​Heptafluorobutyric acid anhydride

10 gm g vial

10 g 1
$75.00
SHFAA-0-25

Selectra-sil - HFAA

​Heptafluorobutyric acid anhydride

25 gm g vial

25 g 1
$115.00
SHFAA-0-100

Selectra-sil - HFAA

​Heptafluorobutyric acid anhydride

100 g vial

100 g 1
$375.00
STFAI-0-1

Selectra-sil - TFAI

N-Trifluoroacetylimidazole

10 x 1 gm vial

1 g 10
$140.00
STFAI-0-5

Selectra-sil - TFAI

N-Trifluoroacetylimidazole

​5 gm vial

5 g 1
$55.00
SPIA-0-1

Selectra-sil PIA

Propionic Anhydride

10 x 1 gm vial

1 g 10
$55.00
SPIA-0-10

Selectra-sil PIA

Propionic Anhydride

10 gm vial

10 g 1
$42.00
SPIA-0-25

Selectra-sil PIA

Propionic Anhydride

25 gm vial

25 g 1
$58.00
STMPAH-0-1

Selectra-sil TMPAH

0.2M Trimethylanilium hydroxide in Methanol

10 x 1 gm vial

1 g 10
$89.00
STMPAH-0-10

Selectra-sil TMPAH

0.2M Trimethylanilium hydroxide in Methanol

10 gm vial

10 g 1
$86.00
STMPAH-0-25

Selectra-sil TMPAH

0.2M Trimethylanilium hydroxide in Methanol

25 gm vial

25 g 1
$122.00
STMPAH-0-100

Selectra-sil TMPAH

0.2M Trimethylanilium hydroxide in Methanol

2 x 50 gm vial

50 g 2
$434.00
SPFPOH-0-1

Selectra-sil PFPOH

Pentafluoropropanol

10 x 1 gm vial

1 g 10
$70.00
SPFPOH-0-10

Selectra-sil PFPOH

Pentafluoropropanol

10 gm vial

10 g 1
$50.00
SPFPOH-0-25

Selectra-sil PFPOH

Pentafluoropropanol

25 gm vial

25 g 1
$87.00
SPFPOH-0-100

Selectra-sil PFPOH

Pentafluoropropanol

100 gm bottle

100 g 1
$271.00
S4CB-0-1

Selectra-sil 4CB

4-Carbethoxyhexafluorobutyryl chloride

10 x 1 gm vial

1 g 10
$289.00
S4CB-0-10

Selectra-sil 4CB

4-Carbethoxyhexafluorobutyryl chloride

10 gm vial

10 g 1
$224.00
S4CB-0-25

Selectra-sil 4CB

4-Carbethoxyhexafluorobutyryl chloride

25 gm vial

25 g 1
$607.00
SHFIP-0-1

Selectra-sil- HFIP

Hexafluoro-2-propanol

10 x 1 gm vial

1 g 10
$63.00
SHFIP-0-10

Selectra-sil- HFIP

Hexafluoro-2-propanol

10 gm vial

10 g 1
$52.00
SHFIP-0-25

Selectra-sil HFIP

Hexafluoro-2-propanol

​25 gm vial

25 g 1
$85.00
SHFIP-0-100

Selectra-sil- HFIP

Hexafluoro-2-propanol

100 gm bottle

100 g 1
$203.00
SACN-0-50

Acetonitrile (ACN) Solvent for Derivatizing Reagents

50 gm vial

50 g 1
$34.00
SPYR-0-25

Selectra-sil PYR

Pyridine

25 gm vial

25 g 1
$25.00
SPYR-0-50

Selectra-sil PYR

Pyridine

50 gm vial

50 g 1
$34.00
SPYR-0-100

Selectra-sil PYR

Pyridine

100 gm bottle

100 g 1
$87.00
SDMF-0-50

Selectra-sil - DMF

50g vial

50 g 1
$29.00
There is no further information about the product.